Patents by Inventor Roger Marechal

Roger Marechal has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Machine for extracting, rough shaping and squaring blocks of stones, marbles and granites, particularly in quarries
    Patent number: 4572303
    Abstract: The machine comprises an automobile vehicle provided with a pivoting boom to which is pivotably mounted a beam carrying a pivotally mounted swingle-bar to which is coupled a rotary plate for supporting a frame provided with guiding uprights for a sawing unit. Hydraulic cylinders and motors are provided for adjusting respective positions of the boom, beam, swingle-bar, rotary plate and motor means of the sawing unit. Means are provided to maintain the frame in a fixed position when working a sawing step.
    Type: Grant
    Filed: July 11, 1983
    Date of Patent: February 25, 1986
    Assignee: Rocamat
    Inventor: Roger Marechal
  • Device for cutting blocks of granite, marble, stone and the like materials
    Patent number: 4566427
    Abstract: The device for cutting blocks of granite, marble, stone and other like materials by means of diamond blades displaced in a reciprocating movement by a blade carrying frame, said blade carrying frame being itself connected to a reciprocating motor unit, characterized in that at least the blade carrying frame is connected to a sliding frame by means of vibration damping means.
    Type: Grant
    Filed: December 14, 1983
    Date of Patent: January 28, 1986
    Assignee: Rocamat
    Inventors: Roger Marechal, Lucien Jeantet